<http://webisa.webdatacommons.org/prov/449895823>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/136991271> .
<http://webisa.webdatacommons.org/136991271>	<http://www.w3.org/ns/prov#value>	"If R is a set of" .
<http://webisa.webdatacommons.org/136991271>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/136991271>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bham.ac.uk> .